AchernarvsAlkes
Alkes has a higher Absolute Magnitude (1 vs -3 mag), while Alkes has a higher Color Index (B-V) (1 vs 0), while Achernar has a higher Luminosity (1,052 vs 48 × Sun).
Brightness
0
Apparent Magnitude
4
-3
Absolute Magnitude
1
1,052
Luminosity
48
Physical Properties
139
Distance
159
12,650
Surface Temperature
4,561
0
Color Index (B-V)
1
Position
2
Right Ascension
11
-57
Declination
-18
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Data sourced from HYG Database (Free for any purpose, including commercial).